document.write( "Question 1100538: Gia is 4 years younger than her sister Joy. The sum of their ages is 74. How old is Joy? \n" ); document.write( "
Algebra.Com's Answer #715039 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Joy is x \n" ); document.write( "Gia is x-4 \n" ); document.write( "add to 74 \n" ); document.write( "x+x-4=74 \n" ); document.write( "2x-4=74 \n" ); document.write( "2x=78 \n" ); document.write( "x=39 \n" ); document.write( "Joy is 39, Gia 35, and that adds to 74. \n" ); document.write( "Joy is 39 ANSWER \n" ); document.write( " |